AirHint found the following cheapest return flights from Athens (ATH) to Sydney (SYD) in October 2025 (see full year).

Return flights

30 Oct - 06 Nov	Gulf Air
29 Oct - 02 Nov	Gulf Air
31 Oct - 07 Nov	Aegean Airlines
26 Oct - 02 Nov	Aegean Airlines
31 Oct - 09 Nov	Air Arabia
27 Oct - 03 Nov	Ethiopian Airlines
29 Oct - 05 Nov	Gulf Air
27 Oct - 30 Oct	Ethiopian Airlines
21 Oct - 28 Oct	Aegean Airlines
23 Oct - 28 Oct	Gulf Air
30 Oct - 03 Nov	Gulf Air
24 Oct - 31 Oct	Aegean Airlines
28 Oct - 04 Nov	Etihad Airways
23 Oct - 30 Oct	Gulf Air
31 Oct - 15 Nov	Air Arabia
23 Oct - 31 Oct	Gulf Air
22 Oct - 24 Oct	Etihad Airways
23 Oct - 29 Oct	Gulf Air
22 Oct - 29 Oct	Etihad Airways
23 Oct - 26 Oct	Gulf Air

Also check the deals for one-way flights from Athens to Sydney in October.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Athens to Sydney in October from $851

Return flights